Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r375-smll-167891826300166.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SafeBus-PT-06, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r375-smll-167891826300166
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 13K Feb 26 01:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 30K Feb 26 01:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 156K Feb 26 01:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 175K Feb 26 01:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 67K Feb 26 01:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 319K Feb 26 01:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 303K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679076093413

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-06
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 18:01:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 18:01:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 18:01:37] [INFO ] Load time of PNML (sax parser for PT used): 197 ms
[2023-03-17 18:01:37] [INFO ] Transformed 144 places.
[2023-03-17 18:01:37] [INFO ] Transformed 451 transitions.
[2023-03-17 18:01:37] [INFO ] Parsed PT model containing 144 places and 451 transitions and 2968 arcs in 357 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 5 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 6 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 9 ms.26385KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 138/138 places, 451/451 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 169 ms. Remains 138 /138 variables (removed 0) and now considering 451/451 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 171 ms. Remains : 138/138 places, 451/451 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 138/138 places, 451/451 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 49 ms. Remains 138 /138 variables (removed 0) and now considering 451/451 (removed 0) transitions.
[2023-03-17 18:01:37] [INFO ] Flow matrix only has 242 transitions (discarded 209 similar events)
// Phase 1: matrix 242 rows 138 cols
[2023-03-17 18:01:37] [INFO ] Computed 29 place invariants in 33 ms
[2023-03-17 18:01:38] [INFO ] Implicit Places using invariants in 738 ms returned [114, 115, 116, 117, 118, 119]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 847 ms to find 6 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 132/138 places, 451/451 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 132 transition count 445
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 126 transition count 445
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -114
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 120 transition count 559
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 24 rules in 94 ms. Remains 120 /132 variables (removed 12) and now considering 559/451 (removed -108) transitions.
[2023-03-17 18:01:38] [INFO ] Flow matrix only has 350 transitions (discarded 209 similar events)
// Phase 1: matrix 350 rows 120 cols
[2023-03-17 18:01:38] [INFO ] Computed 23 place invariants in 13 ms
[2023-03-17 18:01:38] [INFO ] Implicit Places using invariants in 360 ms returned []
[2023-03-17 18:01:38] [INFO ] Flow matrix only has 350 transitions (discarded 209 similar events)
[2023-03-17 18:01:38] [INFO ] Invariant cache hit.
[2023-03-17 18:01:39] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-17 18:01:39] [INFO ] Implicit Places using invariants and state equation in 753 ms returned []
Implicit Place search using SMT with State Equation took 1116 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 120/138 places, 559/451 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 2106 ms. Remains : 120/138 places, 559/451 transitions.
Random walk for 1250000 steps, including 0 resets, run took 5309 ms (no deadlock found). (steps per millisecond=235 )
Random directed walk for 1250000 steps, including 0 resets, run took 4321 ms (no deadlock found). (steps per millisecond=289 )
[2023-03-17 18:01:49] [INFO ] Flow matrix only has 350 transitions (discarded 209 similar events)
[2023-03-17 18:01:49] [INFO ] Invariant cache hit.
[2023-03-17 18:01:49] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2023-03-17 18:01:49] [INFO ] [Real]Absence check using 8 positive and 15 generalized place invariants in 85 ms returned sat
[2023-03-17 18:01:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 18:01:49] [INFO ] [Real]Absence check using state equation in 209 ms returned sat
[2023-03-17 18:01:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 18:01:50] [INFO ] [Nat]Absence check using 8 positive place invariants in 9 ms returned sat
[2023-03-17 18:01:50] [INFO ] [Nat]Absence check using 8 positive and 15 generalized place invariants in 26 ms returned sat
[2023-03-17 18:01:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 18:01:50] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2023-03-17 18:01:50] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-17 18:01:50] [INFO ] [Nat]Added 43 Read/Feed constraints in 56 ms returned sat
[2023-03-17 18:01:50] [INFO ] Computed and/alt/rep : 36/66/36 causal constraints (skipped 308 transitions) in 93 ms.
[2023-03-17 18:01:50] [INFO ] Added : 2 causal constraints over 2 iterations in 200 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 14 ms.
Parikh directed walk for 8100 steps, including 854 resets, run took 74 ms. (steps per millisecond=109 )
Random directed walk for 500000 steps, including 0 resets, run took 1706 ms (no deadlock found). (steps per millisecond=293 )
Random walk for 500000 steps, including 0 resets, run took 2030 ms (no deadlock found). (steps per millisecond=246 )
Random directed walk for 500001 steps, including 0 resets, run took 2010 ms (no deadlock found). (steps per millisecond=248 )
Random walk for 500000 steps, including 0 resets, run took 2057 ms (no deadlock found). (steps per millisecond=243 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 120/120 places, 559/559 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 48 ms. Remains 120 /120 variables (removed 0) and now considering 559/559 (removed 0) transitions.
[2023-03-17 18:01:58] [INFO ] Flow matrix only has 350 transitions (discarded 209 similar events)
[2023-03-17 18:01:58] [INFO ] Invariant cache hit.
[2023-03-17 18:01:58] [INFO ] Implicit Places using invariants in 296 ms returned []
[2023-03-17 18:01:58] [INFO ] Flow matrix only has 350 transitions (discarded 209 similar events)
[2023-03-17 18:01:58] [INFO ] Invariant cache hit.
[2023-03-17 18:01:58] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-17 18:01:59] [INFO ] Implicit Places using invariants and state equation in 717 ms returned []
Implicit Place search using SMT with State Equation took 1020 ms to find 0 implicit places.
[2023-03-17 18:01:59] [INFO ] Redundant transitions in 38 ms returned []
[2023-03-17 18:01:59] [INFO ] Flow matrix only has 350 transitions (discarded 209 similar events)
[2023-03-17 18:01:59] [INFO ] Invariant cache hit.
[2023-03-17 18:02:00] [INFO ] Dead Transitions using invariants and state equation in 470 ms found 36 transitions.
Found 36 dead transitions using SMT.
Drop transitions removed 36 transitions
Dead transitions reduction (with SMT) removed 36 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 120/120 places, 523/559 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 29 ms. Remains 120 /120 variables (removed 0) and now considering 523/523 (removed 0) transitions.
[2023-03-17 18:02:00] [INFO ] Redundant transitions in 12 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 1636 ms. Remains : 120/120 places, 523/559 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4885 ms (no deadlock found). (steps per millisecond=255 )
Random directed walk for 1250000 steps, including 0 resets, run took 3983 ms (no deadlock found). (steps per millisecond=313 )
[2023-03-17 18:02:08] [INFO ] Flow matrix only has 350 transitions (discarded 173 similar events)
// Phase 1: matrix 350 rows 120 cols
[2023-03-17 18:02:08] [INFO ] Computed 23 place invariants in 5 ms
[2023-03-17 18:02:09] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-17 18:02:09] [INFO ] [Real]Absence check using 8 positive and 15 generalized place invariants in 67 ms returned sat
[2023-03-17 18:02:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 18:02:09] [INFO ] [Real]Absence check using state equation in 232 ms returned sat
[2023-03-17 18:02:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 18:02:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-17 18:02:09] [INFO ] [Nat]Absence check using 8 positive and 15 generalized place invariants in 21 ms returned sat
[2023-03-17 18:02:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 18:02:09] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2023-03-17 18:02:09] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-17 18:02:09] [INFO ] [Nat]Added 43 Read/Feed constraints in 33 ms returned sat
[2023-03-17 18:02:09] [INFO ] Deduced a trap composed of 23 places in 68 ms of which 2 ms to minimize.
[2023-03-17 18:02:09] [INFO ] Deduced a trap composed of 23 places in 76 ms of which 2 ms to minimize.
[2023-03-17 18:02:09] [INFO ] Deduced a trap composed of 19 places in 76 ms of which 5 ms to minimize.
[2023-03-17 18:02:10] [INFO ] Deduced a trap composed of 23 places in 87 ms of which 1 ms to minimize.
[2023-03-17 18:02:10] [INFO ] Deduced a trap composed of 23 places in 80 ms of which 1 ms to minimize.
[2023-03-17 18:02:10] [INFO ] Deduced a trap composed of 27 places in 64 ms of which 1 ms to minimize.
[2023-03-17 18:02:10] [INFO ] Deduced a trap composed of 23 places in 62 ms of which 1 ms to minimize.
[2023-03-17 18:02:10] [INFO ] Deduced a trap composed of 27 places in 73 ms of which 1 ms to minimize.
[2023-03-17 18:02:10] [INFO ] Deduced a trap composed of 19 places in 65 ms of which 0 ms to minimize.
[2023-03-17 18:02:11] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1497 ms
[2023-03-17 18:02:11] [INFO ] Computed and/alt/rep : 36/66/36 causal constraints (skipped 308 transitions) in 71 ms.
[2023-03-17 18:02:11] [INFO ] Added : 3 causal constraints over 2 iterations in 223 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 15 ms.
Parikh directed walk for 4700 steps, including 361 resets, run took 50 ms. (steps per millisecond=94 )
Random directed walk for 500001 steps, including 0 resets, run took 1828 ms (no deadlock found). (steps per millisecond=273 )
Random walk for 500000 steps, including 0 resets, run took 1948 ms (no deadlock found). (steps per millisecond=256 )
Random directed walk for 500000 steps, including 0 resets, run took 1632 ms (no deadlock found). (steps per millisecond=306 )
Random walk for 500000 steps, including 0 resets, run took 1929 ms (no deadlock found). (steps per millisecond=259 )
[2023-03-17 18:02:19] [INFO ] Flatten gal took : 172 ms
[2023-03-17 18:02:19] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-17 18:02:19] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 138 places, 451 transitions and 2908 arcs took 9 ms.
Total runtime 42449 ms.
There are residual formulas that ITS could not solve within timeout
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 15701704 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16150308 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2023

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SafeBus-PT-06"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SafeBus-PT-06, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r375-smll-167891826300166"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-06.tgz
mv SafeBus-PT-06 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;